This standard applies to non-destructive butt welds of circumferential butt welds with an outer diameter of 100 mm or more and less than 1,000 mm and a wall thickness of 6 mm or more and a phase mm or less for pipelines using steel pipes with a normal pressure of 0.98 MPa or more to transport oil and gas, etc. Specify test methods.
JIS Z 3050:1995 history
1995JIS Z 3050:1995 Method of nondestructive examination for weld of pipeline